JP2019167607A - タングステン膜の成膜方法及び制御装置 - Google Patents
タングステン膜の成膜方法及び制御装置 Download PDFInfo
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- JP2019167607A JP2019167607A JP2018057961A JP2018057961A JP2019167607A JP 2019167607 A JP2019167607 A JP 2019167607A JP 2018057961 A JP2018057961 A JP 2018057961A JP 2018057961 A JP2018057961 A JP 2018057961A JP 2019167607 A JP2019167607 A JP 2019167607A
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- film
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- tungsten
- gas supply
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 239000010937 tungsten Substances 0.000 title claims abstract description 96
- 229910052721 tungsten Inorganic materials 0.000 title claims abstract description 96
- 238000000151 deposition Methods 0.000 title abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 80
- 229910052751 metal Inorganic materials 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 34
- 230000004888 barrier function Effects 0.000 claims abstract description 28
- YOUIDGQAIILFBW-UHFFFAOYSA-J tetrachlorotungsten Chemical compound Cl[W](Cl)(Cl)Cl YOUIDGQAIILFBW-UHFFFAOYSA-J 0.000 claims abstract description 21
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims description 23
- 230000000149 penetrating effect Effects 0.000 claims description 17
- 229910052710 silicon Inorganic materials 0.000 claims description 15
- 239000010703 silicon Substances 0.000 claims description 15
- 238000011534 incubation Methods 0.000 claims description 11
- -1 transition metal nitride Chemical class 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 4
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 4
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 claims description 2
- 239000000758 substrate Substances 0.000 abstract description 10
- 150000004767 nitrides Chemical class 0.000 abstract description 2
- 150000003624 transition metals Chemical class 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 326
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 74
- 238000000231 atomic layer deposition Methods 0.000 description 34
- 238000010926 purge Methods 0.000 description 34
- 239000004065 semiconductor Substances 0.000 description 24
- 230000007246 mechanism Effects 0.000 description 23
- 238000005755 formation reaction Methods 0.000 description 21
- 230000015572 biosynthetic process Effects 0.000 description 20
- 238000005530 etching Methods 0.000 description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 14
- 229910004298 SiO 2 Inorganic materials 0.000 description 12
- 238000005229 chemical vapour deposition Methods 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 6
- 229910021332 silicide Inorganic materials 0.000 description 6
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 238000005304 joining Methods 0.000 description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- NXHILIPIEUBEPD-UHFFFAOYSA-H tungsten hexafluoride Chemical compound F[W](F)(F)(F)(F)F NXHILIPIEUBEPD-UHFFFAOYSA-H 0.000 description 3
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 229910001510 metal chloride Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- ZOCHARZZJNPSEU-UHFFFAOYSA-N diboron Chemical compound B#B ZOCHARZZJNPSEU-UHFFFAOYSA-N 0.000 description 1
- BUMGIEFFCMBQDG-UHFFFAOYSA-N dichlorosilicon Chemical compound Cl[Si]Cl BUMGIEFFCMBQDG-UHFFFAOYSA-N 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- KPGXUAIFQMJJFB-UHFFFAOYSA-H tungsten hexachloride Chemical compound Cl[W](Cl)(Cl)(Cl)(Cl)Cl KPGXUAIFQMJJFB-UHFFFAOYSA-H 0.000 description 1
- WIDQNNDDTXUPAN-UHFFFAOYSA-I tungsten(v) chloride Chemical compound Cl[W](Cl)(Cl)(Cl)Cl WIDQNNDDTXUPAN-UHFFFAOYSA-I 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
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- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28026—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
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- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
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Abstract
Description
本開示の一実施形態に係るタングステン膜の成膜方法は、下地の表面に形成された膜に設けられて下地の表面を露出させる貫通部にタングステン膜を成膜する方法である。図1は、タングステン膜の成膜方法の一例を示すフローチャートである。
次に、シリコン(Si)の表面及びSiO2膜の表面に対するTiN膜のインキュベーションタイムについて評価した結果を説明する。
図6は、バリアメタル膜として、窒化チタン膜を形成する工程を実施するための成膜装置の一例を示す概略図である。図6の成膜装置は、例えばALD法による成膜、CVD法による成膜が実施可能な装置である。図6に示されるように、成膜装置は、処理容器101、サセプタ102、シャワーヘッド103、排気部104、処理ガス供給機構105、制御装置106を有する。
501a 露出面
502 膜
502a 貫通部
502s 側壁
503 バリアメタル膜
504 初期タングステン膜
505 主タングステン膜
Claims (13)
- 下地の表面に形成された膜に設けられて下地の表面を露出させる貫通部にタングステン膜を成膜する成膜方法であって、
前記貫通部の側壁よりも前記下地の露出面に厚く成膜されるように、前記貫通部に遷移金属の窒化物により形成されるバリアメタル膜を形成する工程と、
塩化タングステンガス及び前記塩化タングステンガスを還元する還元ガスを供給し、前記下地の露出面に選択的にタングステン膜を形成する工程と、
を有する、
タングステン膜の成膜方法。 - 前記下地の表面に対する前記バリアメタル膜のインキュベーションタイムは、前記膜の表面に対する前記バリアメタル膜のインキュベーションタイムよりも短い、
請求項1に記載のタングステン膜の成膜方法。 - 前記バリアメタル膜は、窒化チタン膜又は窒化タンタル膜である、
請求項1又は2に記載のタングステン膜の成膜方法。 - 前記下地は、シリコンであり、
前記膜は、シリコン酸化膜である、
請求項1乃至3のいずれか一項に記載のタングステン膜の成膜方法。 - 前記タングステン膜を形成する工程は、塩化タングステンガス及び還元ガスを用いたALD法による工程である、
請求項1乃至4のいずれか一項に記載のタングステン膜の成膜方法。 - 前記タングステン膜を形成する工程は、前記貫通部の側壁に成膜された窒化チタン膜の膜厚に応じて定められる温度で前記タングステン膜を形成する工程である、
請求項1乃至4のいずれか一項に記載のタングステン膜の成膜方法。 - 前記タングステン膜を形成する工程の後、前記貫通部にタングステン膜を埋め込む工程を更に有する、
請求項1乃至6のいずれか一項に記載のタングステン膜の成膜方法。 - 前記タングステン膜を埋め込む工程は、前記タングステン膜を形成する工程とは異なるプロセス条件で行われる、
請求項7に記載のタングステン膜の成膜方法。 - 前記塩化タングステンガスは、WCl6ガス又はWCl5ガスである、
請求項1乃至8のいずれか一項に記載のタングステン膜の成膜方法。 - 前記還元ガスは、H2ガス、SiH4ガス、B2H6ガス、及びNH3ガスから選択される少なくとも1種である、
請求項1乃至9のいずれか一項に記載のタングステン膜の成膜方法。 - 前記貫通部は、断面形状が前記膜の表面側の幅よりも中央部の幅のほうが広い、
請求項1乃至10のいずれか一項に記載のタングステン膜の成膜方法。 - 前記貫通部は、トレンチ又はホールである、
請求項1乃至11のいずれか一項に記載のタングステン膜の成膜方法。 - 下地の表面に形成された膜に設けられて下地の表面を露出させる貫通部にタングステン膜を成膜する成膜方法を成膜装置の各部の動作を制御することで実行する制御装置であって、
前記貫通部の側壁よりも前記下地の露出面に厚く成膜されるように、前記貫通部に遷移金属の窒化物により形成されるバリアメタル膜を形成する工程と、
塩化タングステンガス及び前記塩化タングステンガスを還元する還元ガスを供給し、前記下地の露出面に選択的にタングステン膜を形成する工程と、
を実行する、
制御装置。
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US16/353,227 US11629404B2 (en) | 2018-03-26 | 2019-03-14 | Method of forming tungsten film and controller |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112864116A (zh) * | 2019-11-27 | 2021-05-28 | 华邦电子股份有限公司 | 半导体元件及其制造方法 |
WO2021193010A1 (ja) * | 2020-03-23 | 2021-09-30 | 東京エレクトロン株式会社 | 成膜方法及び半導体装置の製造方法 |
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JP2024061057A (ja) * | 2022-10-21 | 2024-05-07 | 株式会社Kokusai Electric | 基板処理方法、半導体装置の製造方法、プログラムおよび基板処理装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001267418A (ja) * | 2000-03-21 | 2001-09-28 | Sanyo Electric Co Ltd | 半導体装置及びその製造方法 |
JP2004128239A (ja) * | 2002-10-03 | 2004-04-22 | Renesas Technology Corp | スタティック型半導体記憶装置 |
JP2009026864A (ja) * | 2007-07-18 | 2009-02-05 | Toshiba Corp | 半導体装置の製造方法及び半導体装置 |
WO2015080058A1 (ja) * | 2013-11-27 | 2015-06-04 | 東京エレクトロン株式会社 | タングステン膜の成膜方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05129226A (ja) * | 1991-11-01 | 1993-05-25 | Seiko Epson Corp | 半導体装置の製造方法 |
US5926737A (en) * | 1997-08-19 | 1999-07-20 | Tokyo Electron Limited | Use of TiCl4 etchback process during integrated CVD-Ti/TiN wafer processing |
KR100272523B1 (ko) * | 1998-01-26 | 2000-12-01 | 김영환 | 반도체소자의배선형성방법 |
EP1094504A3 (en) * | 1999-10-18 | 2001-08-22 | Applied Materials, Inc. | PVD-IMP tungsten and tungsten nitride as a liner, barrier, and/or seed layer |
JP4103461B2 (ja) * | 2001-08-24 | 2008-06-18 | 東京エレクトロン株式会社 | 成膜方法 |
KR100639215B1 (ko) * | 2004-12-29 | 2006-10-31 | 주식회사 하이닉스반도체 | 텅스텐 박막 증착방법 |
JP2008192835A (ja) * | 2007-02-05 | 2008-08-21 | Tokyo Electron Ltd | 成膜方法,基板処理装置,および半導体装置 |
CN104272440B (zh) | 2012-03-27 | 2017-02-22 | 诺发系统公司 | 用核化抑制的钨特征填充 |
US9748105B2 (en) * | 2013-08-16 | 2017-08-29 | Applied Materials, Inc. | Tungsten deposition with tungsten hexafluoride (WF6) etchback |
US20150348840A1 (en) | 2014-05-31 | 2015-12-03 | Lam Research Corporation | Methods of filling high aspect ratio features with fluorine free tungsten |
US9997405B2 (en) * | 2014-09-30 | 2018-06-12 | Lam Research Corporation | Feature fill with nucleation inhibition |
US10573522B2 (en) * | 2016-08-16 | 2020-02-25 | Lam Research Corporation | Method for preventing line bending during metal fill process |
-
2018
- 2018-03-26 JP JP2018057961A patent/JP7023150B2/ja active Active
-
2019
- 2019-03-14 US US16/353,227 patent/US11629404B2/en active Active
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- 2019-03-22 TW TW108109943A patent/TW201940726A/zh unknown
- 2019-03-22 CN CN201910220826.1A patent/CN110359027B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001267418A (ja) * | 2000-03-21 | 2001-09-28 | Sanyo Electric Co Ltd | 半導体装置及びその製造方法 |
JP2004128239A (ja) * | 2002-10-03 | 2004-04-22 | Renesas Technology Corp | スタティック型半導体記憶装置 |
JP2009026864A (ja) * | 2007-07-18 | 2009-02-05 | Toshiba Corp | 半導体装置の製造方法及び半導体装置 |
WO2015080058A1 (ja) * | 2013-11-27 | 2015-06-04 | 東京エレクトロン株式会社 | タングステン膜の成膜方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112864116A (zh) * | 2019-11-27 | 2021-05-28 | 华邦电子股份有限公司 | 半导体元件及其制造方法 |
CN112864116B (zh) * | 2019-11-27 | 2024-06-04 | 华邦电子股份有限公司 | 半导体元件及其制造方法 |
WO2021193010A1 (ja) * | 2020-03-23 | 2021-09-30 | 東京エレクトロン株式会社 | 成膜方法及び半導体装置の製造方法 |
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